Filler cap



FIG. 1 is a right-front perspective view of the filler cap showing my new design;

FIG. 2 is a left side elevation view of the filler cap shown in FIG. 1;

FIG. 3 is a right side elevation view of the filler cap shown in FIG. 1;

FIG. 4 is a bottom plan view of the filler cap shown in FIG. 1;

FIG. 5 is a top plan view of the filler cap shown in FIG. 1;

FIG. 6 is a front elevation view of the filler cap shown in FIG. 1;

FIG. 7 is a rear elevation view of the filler cap shown in FIG. 1; and,

FIG. 8 is right-rear perspective view of the filler cap shown in FIG. 1. 

CLAIM I claim the ornamental design for a filler cap, as shown and described. 